void VDFileAsyncNT::FastWrite(const void *pData, uint32 bytes) {
if (mhFileFast == INVALID_HANDLE_VALUE) {
if (pData)
Write(mClientFastPointer, pData, bytes);
else
WriteZero(mClientFastPointer, bytes);
} else {
if (mpError)
ThrowError();
uint32 bytesLeft = bytes;
while(bytesLeft) {
uint32 actual = mBufferSize - mBufferLevel;
if (actual > bytesLeft)
actual = bytesLeft;
if (mWriteOffset + actual > mBufferSize)
actual = mBufferSize - mWriteOffset;
if (!actual) {
mReadOccurred.wait();
if (mpError)
ThrowError();
continue;
}
if (pData) {
memcpy(&mBuffer[mWriteOffset], pData, actual);
pData = (const char *)pData + actual;
} else {
memset(&mBuffer[mWriteOffset], 0, actual);
}
uint32 oldWriteOffset = mWriteOffset;
mWriteOffset += actual;
if (mWriteOffset >= mBufferSize)
mWriteOffset = 0;
mBufferLevel += actual;
// only bother signaling if the write offset crossed a block boundary
if (oldWriteOffset % mBlockSize + actual >= mBlockSize) {
mWriteOccurred.signal();
if (mpError)
ThrowError();
}
bytesLeft -= actual;
}
}
mClientFastPointer += bytes;
}
LOCALPROC MakeNewDisk(ui5b L, char *drivepath)
{
blnr IsOk = falseblnr;
FILE *refnum = fopen(drivepath, "wb+");
if (NULL == refnum) {
MacMsg(kStrOpenFailTitle, kStrOpenFailMessage, falseblnr);
} else {
if (WriteZero(refnum, L)) {
IsOk = Sony_Insert0(refnum, falseblnr, drivepath);
refnum = NULL;
}
if (refnum != NULL) {
fclose(refnum);
}
if (! IsOk) {
(void) remove(drivepath);
}
}
}
void VDFileAsync9x::FastWrite(const void *pData, uint32 bytes) {
if (mhFileFast == INVALID_HANDLE_VALUE) {
if (pData)
Write(mClientFastPointer, pData, bytes);
else
WriteZero(mClientFastPointer, bytes);
} else {
if (mpError)
ThrowError();
uint32 bytesLeft = bytes;
while(bytesLeft) {
int actual;
void *p = mBuffer.LockWrite(bytesLeft, actual);
if (!actual) {
mReadOccurred.wait();
if (mpError)
ThrowError();
continue;
}
if (pData) {
memcpy(p, pData, actual);
pData = (const char *)pData + actual;
} else {
memset(p, 0, actual);
}
mBuffer.UnlockWrite(actual);
mWriteOccurred.signal();
bytesLeft -= actual;
}
}
mClientFastPointer += bytes;
}
